Dillon has a standard of $2$ hours of labor per unit, at $$12$ per hour. In producing $2,000$ units, Dillon used $3,850$ hours of labor at a total cost of $$46,970.$ Dillon's total labor variance is

A$)$ $$1,030F.$

B$)$ $$800U.$

C$)$ $$1,930F.$

D$)$ $$1,030U.$